Granite Speech 4.1 2B Nar
Mar 2026
Granite Speech 4.1 2B NarCompare inon
Granite Speech 4.1 2B Nar measured on 30 of 80 Speech to text benchmarks30
BenchmarkByScoreRank
No benchmark matches
self-host onlyprice
6.5Open ASR
Mar 2026released
en, es, fr +2Languages
Ranking?
Full ranking →···
9Niagara 19M Batch.en4,348.410Granite Speech 4.1 2B Nar2,112.611Phonon 21,976.5Alternatives?
ModelScoreCostPriceWhat changes
BetterParakeet TDT 0.6B V3, TogetheraiOpen×2.9—$0.002Memory (4-bit): not verifiedCOpenCohere Transcribe 03 2026-56%——BetterGranite Speech 5.0 470M TurboctcOpen×10——Languages: loses es, fr, de, pt+1BetterGranite Speech 5.0 470M Turboctc NcOpen×9.8——Languages: loses es, fr, de, pt+1sBetterZipformer-cr-ctc-transducer-XL-290M (fast-gpu-asr, transducer_modified_beam_search)Open×9.1——Languages: loses es, fr, de, pt+1ModelScoreCostPriceWhat changes
Nothing here yet.
ModelScoreCostPriceWhat changes
Parakeet TDT 0.6B V3, TogetheraiOpen×2.9—$0.002Memory (4-bit): not verifiedGranite Speech 5.0 470M TurboctcOpen×10——Languages: loses es, fr, de, pt+1Granite Speech 5.0 470M Turboctc NcOpen×9.8——Languages: loses es, fr, de, pt+1sZipformer-cr-ctc-transducer-XL-290M (fast-gpu-asr, transducer_modified_beam_search)Open×9.1——Languages: loses es, fr, de, pt+1aNiagara 9M Batch.enOpen×3.4——Languages: loses es, fr, de, pt+1ModelScoreCostPriceWhat changes
CCohere Transcribe 03 2026Open-56%——Canary Qwen 2.5B, NVIDIAOpen-58%—$0.001Languages: loses es, fr, de, pt+1
Qwen 3 ASR 1.7B HfOpen-60%——Qwen 3 ASR 0.6B HfOpen-65%——EAudio8 ASR 0.1BOpen-66%——ModelScoreCostPriceWhat changes
Granite Speech 5.0 470M TurboctcOpen×10——Languages: loses es, fr, de, pt+1Granite Speech 5.0 470M Turboctc NcOpen×9.8——Languages: loses es, fr, de, pt+1Granite 4.0 1B SpeechOpen-68%——Memory (4-bit): 1.3 GB → 1.4 GBGranite Speech 4.1 2BOpen-74%——Memory (4-bit): 1.3 GB → 1.4 GBGranite Speech 3.3 2BOpen-76%——Memory (4-bit): 1.3 GB → 1.8 GBGranite Speech 3.3 8BOpen-88%——Memory (4-bit): 1.3 GB → 5.1 GBAll IBM models →Run it yourself
estimateFits on✓ 8 GB (phone, laptop) · full quality✓ 16 GB · full quality✓ 24 GB GPU · full quality✓ 48 GB GPU · full quality✓ 80 GB GPU · full quality
LicenceApache-2.0free for commercial use
Benchmarks
in Speech & VoiceOpen ASR · average WER6.5#30
Open ASR · RTFx2,112.6#10
Open ASR · URGENT 2024 WER11.2#14
Open ASR · AMI WER7.7#1
Open ASR · French RTFx1,510.5#2
Open ASR · German RTFx1,402.4#2
Open ASR · Spanish RTFx1,617.9#2
Open ASR · Portuguese RTFx1,432.1#3
FAQ
How much does Granite Speech 4.1 2B Nar cost?›
There is no per-unit API price: self-host only.
Is Granite Speech 4.1 2B Nar free to use?›
There is no free API. The weights are open, so you can run it yourself.
How good is Granite Speech 4.1 2B Nar, and what is it best at?›
#30 of 61 in Speech to text.
Is Granite Speech 4.1 2B Nar better than Niagara 19M Batch.en?›
On Open ASR · RTFx, Granite Speech 4.1 2B Nar scores 2,112.6 vs 4,348.4 — lower.
When was Granite Speech 4.1 2B Nar released? Is there a newer version?›
Released 2026-03-10. It is the current version in its line.
Is Granite Speech 4.1 2B Nar open source?›
Yes, the weights are open (Apache-2.0 licence).
Can I run Granite Speech 4.1 2B Nar locally?›
The weights are open and can be self-hosted; hardware needs are not confirmed yet.
What is Granite Speech 4.1 2B Nar?›
Granite Speech 4.1 2B Nar is an open-weights speech & voice model from IBM, released Mar 2026.
What are the best alternatives to Granite Speech 4.1 2B Nar?›
Parakeet TDT 0.6B V3, Togetherai (better), Cohere Transcribe 03 2026 (open weights).